RE: Re: Summarization confusion ..

From: Henk de Tombe (henk.de.tombe@qi.nl)
Date: Sun Oct 23 2005 - 05:18:04 GMT-3


Hi,

ip prefix-list 10 permit 10.0.0.0/8 ge 16 le 20

The syntax of the extended ACL is:

access-list <ACL #> permit ip <network> <wildcard mask of network>
<subnet mask> <wildcard mask of subnet mask>
 
Instead of blurting out the answer, I think you can build the special
extended ACL yourself :-)
The post below is from Brian Dennis, with some great explanations about
extended ACLS.

www.groupstudy.com\archives\ccielab\200507\msg00642.html

If you've got any questions left please post them,

Regards,
Henk

-----Oorspronkelijk bericht-----
Van: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Namens The Great
Ryan
Verzonden: zondag 23 oktober 2005 02:49
Aan: Jian Gu
CC: jnkmail4eva@yahoo.com; ccielab@groupstudy.com
Onderwerp: Re: Re: Summarization confusion ..

I think your prefix-list example can be implemented by standard ACL

access-list 1 permit 10.0.0.0

let change a little bit on your prefix-list example.

 ip prefix-list 10 permit 10.0.0.0/8 ge 16 le 20

Thanks !
Ryan

2005/10/23, Jian Gu <guxiaojian@gmail.com>:
> access-list 101 permit ip 10.0.0.0 0.255.255.255 255.0.0.0
> 0.255.255.255
>
> is equivalent to
>
> ip prefix-list 10 permit 10.0.0.0/8 le 32
>
>
> On 10/22/05, The Great Ryan <pv.ryan@gmail.com > wrote:
> >
> > HI,
> >
> > can you show how to use extended ACL to match both mask and prefix ?
> > I heard that it can do that and don't know how to do that. thanks!
> >
> >
> > Ryan
> >
> > 2005/10/23, jnkmail4eva@yahoo.com <jnkmail4eva@yahoo.com >:
> > > Sounds good.
> > > I am surprised it wouldn't work .
> > > I will have to test it out in my lab now ..
> > >
> > >
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